Rachel Uchitel, 34, the first mistress to speak out, claims her trip to Australia to see Woods in November was paid for by Byron Bell, president of Tiger Woods Design, who has also been involved with the Tiger Woods Foundation, which supports 100 charities.[>

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A source close to the organisation confirmed the IRS “has expressed a desire to look over the books”.[>

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Woods may also face ­a probe by the FBI over interstate vice after a ­Hollywood madam alleged he spent more than $60,000 on “escorts” in two years.[>

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A senior West Coast FBI agent said: “If a girl or girls in one state are hired for sexual services via a phone call from another state, it’s a bureau matter.”[>